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An underground gasoline tank at 46F can hold 1500 gallons of gasoline. If the driver of a tanker truck fills the under-ground tank on a day when the temperature is 88F, how much (according to his gauge on the truck) can he pour in? Assume that the temperature of the gasoline cools to 46F upon entering the tank and its thermal coefficient of expansion is 0.00096 (C)-1. Answer in units of gal
A thin 320g disk with a diameter of 5.20 cm rotates about an axis through its center with 0.705J of kinetic energy. What is the speed (in m/s) of a point on rim.
A person in a cave emits a sound and receives an echo 2.5 seconds later. How far is that person away from the wall
A 1,260-kg car traveling initally with a speed of 25.0 m/s in an easterly direction crashes into the rear end of a 9,600-kg truck moving in the same direction at 20.0 m/s. what is the velocity of the truck right after the collision
A horizontal force of 822 N is needed to drag a crate across a horizontal floor with the constant speed. You drag the crate using a rope held at an angle of 34° (from the horizontal).
The elementary particle called a muon is unstable and decays after 2.20 ?s, as observed in its rest frame, What lifetime do you observe for the muon
q1. after a tornado a 0.60 straw was found embedded 2.7 into the trunk of a tree. if the average force exerted on the
The temperature of the skin is approximately 35 degrees celsius. At what wavelength does the radiation emitted from the skin reach its peak?
A piece of copper wire has a resistance per unit length of 5.65 10-3 ?/m. The wire is wound into a thin, Find the magnetic field strength at the center of the coil
Under normal conditions, humans radiate electromagnetic waves with a wavelength of about 9.0 microns. What is the frequency of these waves
Explain the characteristics of supersonic motion and the formation of shock waves. Explain the formation of beats by the superposition of sounds of two closely spaced frequencies
A typical adult human lung contains about 270 million tiny cavities called alveoli. Estimate theaverage diameter of a single alveolus. Assume the alveoli arespherical and a typical human lung is about 2.05 liters.
A 200 g mass attached to a horizontal spring oscillates at a frequency of 2.0 Hz . At one instant, the mass is at x= 5 cm and has v= -30 cm/s. a.Determine the period. b. Determine the amplitude. c. Determine the maximum speed. d. Determine the total ..
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